[  518.269550] bond0: (slave eth0): making interface the new active one
[  518.269628] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.517917] bond0: (slave eth0): Releasing backup interface
[  522.630125] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.811125] bond0: (slave eth0): Releasing backup interface
[  526.848073] bond0 (unregistering): Released all slaves